Twins dating same girl
Believe it or not, surgeons have done this: Separated toddler twin boys and made one a girl, because there was only one penis to go around.(These children were essentially two people on top and one on the bottom.) In fact, this has been done in two cases.The same discomfort generally carries through to our own time.When filmmaker Ellen Weissbrod set out to do an A&E Channel program about Lori and Reba Schappell, who are conjoined at the face, Weissbrod showed raw footage of the twins to New Yorkers on the street, without explanation, to gauge their reactions.In one case, the "girl" is said to have reverted to being a boy, and in the other, the child-left-as-male died, leaving the parents who came to the hospital with two sons to go home with one daughter.Yes, this was considered better than leaving the children alone.
Based on the fact that Chang and Adelaide had 10 children, and Eng and Sallie 12, it's fair to say the brothers had sex.
At the autopsy of the Bunker twins, one of the anatomists opined that their active sex lives "shocked the moral sense of the community" -- even though the truth is that the Bunkers' neighbors appeared to have just accepted the situation.